Marine rail inclined ladder
By designing an adjustable-angle marine inclined ladder using hydraulic cylinders and curved steps, the problem of fixed inclined ladders being difficult to adjust has been solved, resulting in improved safety and efficiency, and adaptability to various marine environments.
Patent Information
- Application Number
- CN202520299923.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing fixed ship ladders are difficult to adjust in terms of angle and step design to suit different people's needs, which increases the difficulty and safety risks for passengers with physical disabilities to get on and off the ship.
The sleeve ladder frame is designed using the telescopic principle of hydraulic cylinders, with movable wheel feet and brake wedges. Combined with arc-shaped anti-slip steps and detachable anti-slip steps, it allows for flexible adjustment of the inclined ladder angle and the steps.
It improves the adaptability and safety of inclined ladders, reduces safety hazards caused by unsuitable angles, enhances efficiency and flexibility, and adapts to use on ships at different heights and positions.
Smart Images
Figure CN223949327U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a marine inclined ladder, in particular to an angle-adjustable marine track inclined ladder, and belongs to the technical field of ship design. BACKGROUND
[0002] The marine inclined ladder is a channel facility for facilitating the boarding and alighting of crew members or passengers. The angle and height of the conventional fixed marine inclined ladder are difficult to adjust according to the needs of different people once set. For passengers with physical disabilities, if the angle of the inclined ladder is too large, it may increase the difficulty and risk of their boarding and alighting. In addition, the design of the ladder steps is also an important factor affecting the convenience of passenger traffic. If the steps are too narrow, the spacing is too large, or there is a lack of anti-skid measures, it may increase the risk of passengers slipping or falling.
[0003] For example, Figure 1 is a conventional fixed marine inclined ladder. SUMMARY
[0004] The utility model aims at providing a marine track inclined ladder, which utilizes the telescopic principle of the hydraulic oil cylinder, first changes the ladder frame into a sleeve ladder frame, and designs the bottom foot of the marine inclined ladder into a bottom foot with movable wheels to realize the adjustment of the angle of the inclined ladder, and additionally adds a brake wedge to limit the ladder track wheel; secondly, the steps are adjusted into arc-shaped anti-skid steps, and additionally increase detachable anti-skid steps, thereby improving the flexibility, safety and efficiency of the use of the marine inclined ladder.
[0005] The utility model adopts the following technical scheme:
[0006] A marine track inclined ladder comprises a sleeve ladder frame 3, an internal ladder frame 1, a sliding block, and a ladder track 6. The ladder track 6 is fixed on the lower deck, the sliding block cooperates with the ladder track 6 and can slide along the ladder track 6. The lower end of the sleeve ladder frame 3 is hinged to the sliding block, the lower end of the internal ladder frame 1 is telescopically assembled with the sleeve ladder frame 3, and the upper end is hinged to the upper deck.
[0007] Preferably, the lower part of the sliding block is fixedly connected with the ladder track wheel 5, and the ladder track wheel 5 is in rolling cooperation with the ladder track 6.
[0008] Further, the ladder track 6 is provided with a brake wedge 7 for braking the ladder track wheel 5.
[0009] Preferably, a plurality of anti-skid steps 3 are fixedly arranged on the internal ladder frame 1 at intervals, the proximal end of the anti-skid step 3 is in the shape of a downwardly inclined arc, and the distal end is in the shape of an upwardly curved arc; a detachable anti-skid step 4 is fixedly arranged on the sleeve ladder frame 3, and the detachable anti-skid step 4 can be fixed at a corresponding appropriate height according to the inclination angle of the marine track inclined ladder.
[0010] Preferably, the brake wedge 7 is in sliding fit with the ladder rail 6, and is fixed with the ladder rail 6 through fasteners.
[0011] Preferably, the side end of the upper deck is fixed with a pair of ear plates, and the built-in ladder 1 is hinged with the upper deck through the pair of ear plates.
[0012] Further, the upper part of the sliding block extends another pair of ear plates, and the lower end of the sleeve ladder 3 is hinged with the sliding block through the another pair of ear plates.
[0013] Corresponding to the defects and deficiencies of the existing fixed ship ladder, the utility model has the beneficial effects that:
[0014] 1) Strong adaptability: the angle of the ladder can be adjusted according to different scenes and needs to adapt to various working environments. This flexibility makes the ladder stable to use on ships of different heights and positions.
[0015] 2) High safety: through precise angle adjustment, the safety hazards caused by too large or too small inclination of the ladder can be reduced, ensuring the safe passage of personnel boarding and disembarking the ship; the steps are adjusted to arc-shaped anti-slip steps, and detachable anti-slip steps are additionally increased, thereby improving the flexibility, safety and efficiency of the ship ladder.
[0016] 3) Small space occupation: when used in limited space, the adjustable angle ladder can adjust the angle and position according to actual needs to minimize space occupation. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural diagram of the fixed-angle ship ladder introduced in the background art.
[0018] Figure 2 is a structural diagram of the adjustable-angle ship rail ladder of the utility model.
[0019] Figure 3 is Figure 2 is a partial enlarged view of the built-in ladder.
[0020] Figure 4 is Figure 2 is a partial enlarged view of the bottom of the adjustable-angle ship rail ladder.
[0021] Figure 5 is Figure 4 is a partial enlarged view of
[0022] Figure 6 is a schematic diagram when the inclination angle of the ladder is adjusted to 55 degrees.
[0023] Figure 7 is a schematic diagram when the inclination angle of the ladder is adjusted to 35 degrees.
[0024] In the figure, 1. built-in ladder stand, 2. anti-skid step, 3. sleeve ladder stand, 4. detachable anti-skid step, 5. ladder stand track wheel, 6. ladder stand track, 7. brake wedge. DETAILED DESCRIPTION
[0025] The utility model will be further described below in combination with the drawings and specific embodiments.
[0026] Example one: (comparative example of prior art)
[0027] The conventional fixed ship ladder is shown in the figure. Figure 1
[0028] Once the angle and height of the ladder are set, it is difficult to adjust according to the needs of different people. For passengers with physical disabilities, if the angle of the ladder is too large, it will increase the difficulty and risk of their getting on and off the ladder.
[0029] The pedal is too narrow, the spacing is too large, or there is a lack of anti-skid measures, which increases the risk of passengers slipping or falling.
[0030] Example two: (embodiment of the utility model)
[0031] The components of the adjustable angle ship track ladder of the embodiment are described as follows:
[0032] Referring to Figures 2-5 , the ladder stand is innovatively designed, and the ship track ladder of the utility model is composed of a built-in ladder stand 1, a sleeve ladder stand 2, an anti-skid step 3, a detachable anti-skid step 4, and the like.
[0033] Referring to Figure 2 , the fixed foot is changed into a foot with a ladder stand track wheel 5, the adjustment of the angle of the ladder is realized, and in addition, a ladder stand track 6 and a brake wedge 7 are additionally provided to limit the ladder stand track wheel.
[0034] Referring to Figures 2-4 , the ladder stand track 6 is fixed on the lower deck, the sliding block is matched with the ladder stand track 6 and can slide along the ladder stand track 6; the lower end of the sleeve ladder stand 3 is hinged to the sliding block, the lower end of the built-in ladder stand 1 is telescopically assembled with the sleeve ladder stand 3, and the upper end is hinged to the upper deck.
[0035] Referring to Figure 4 , the lower part of the sliding block is fixedly connected with the ladder stand track wheel 5, and the ladder stand track wheel 5 is rolling matched with the ladder stand track 6.
[0036] Continuing to refer to Figure 4 , the ladder stand track 6 is provided with a brake wedge 7 for braking the ladder stand track wheel 5.
[0037] Referring to Figure 3 The built-in ladder frame 1 is fixedly provided with multiple anti-slip steps 3 at intervals. The anti-slip steps 3 have a downward-sloping arc shape at the near end and an upward-curving arc shape at the far end. The sleeve ladder frame 3 is fixedly provided with a detachable anti-slip step 4. The detachable anti-slip step 4 can be fixed at a corresponding appropriate height according to the inclination angle of the marine rail inclined ladder.
[0038] See Figures 4-5 The brake wedge 7 slides with the ladder rail 6 and is fixed to the ladder rail 6 by fasteners.
[0039] See Figure 2 A pair of ear plates are fixed to the side of the upper deck, and the upper end of the built-in ladder frame 1 is hinged to the upper deck through the pair of ear plates.
[0040] See Figure 2 and 4 Another pair of lugs extends from the upper part of the slider, and the lower end of the sleeve ladder 3 is hinged to the slider through the other pair of lugs.
[0041] like Figure 6 Adjustable angle marine rail ramp -55 degrees Figure 7 Adjustable angle marine rail ramp -35 degrees Figure 2 Adjustable angle marine rail ramp -45 degrees.
[0042] This invention addresses the shortcomings and deficiencies of existing fixed marine inclined ladders. Based on the principles of simple, safe, and reliable installation and operation, it first transforms the ladder frame into a sleeve ladder frame and innovatively designs the ladder's base with movable wheels to adjust the ladder's angle. Additionally, it adds braking wedges to limit the movement of the ladder frame's track wheels. Secondly, the steps are adjusted to curved, non-slip steps, and detachable non-slip steps are added, thereby improving the flexibility, safety, and efficiency of the marine inclined ladder.
[0043] The above are preferred embodiments of the present utility model. Those skilled in the art can make various changes or improvements based on this. Without departing from the overall concept of the present utility model, these changes or improvements should all fall within the scope of protection claimed by the present utility model.
Claims
1. A marine inclined rail ladder, characterized in that: Includes sleeve ladder (3), built-in ladder (1), slider, and ladder track (6). The ladder rail (6) is fixed on the lower deck, and the slider cooperates with the ladder rail (6) and can slide along the ladder rail (6); The lower end of the sleeve ladder frame (3) is hinged to the slider, the lower end of the built-in ladder frame (1) is telescopically assembled with the sleeve ladder frame (3), and the upper end is hinged to the upper deck.
2. The marine inclined ladder as described in claim 1, characterized in that: The lower part of the slider is fixedly connected to the ladder track wheel (5), and the ladder track wheel (5) and the ladder track (6) roll together.
3. The marine inclined ladder as described in claim 2, characterized in that: A brake wedge (7) is provided on the ladder track (6) for braking the ladder track wheel (5).
4. The marine inclined ladder as described in claim 1, characterized in that: Multiple anti-slip steps (2) are fixedly provided at intervals on the built-in ladder frame (1). The anti-slip steps (2) are in a downward-sloping arc shape at the near end and in an upward-curving arc shape at the far end. A detachable anti-slip step (4) is fixed on the sleeve ladder frame (3). The detachable anti-slip step (4) can be fixed at a suitable height according to the inclination angle of the marine rail inclined ladder.
5. The marine inclined ladder as described in claim 1, characterized in that: The brake wedge (7) slides with the ladder rail (6) and is fixed to the ladder rail (6) by fasteners.
6. The marine inclined ladder as described in claim 1, characterized in that: A pair of ear plates are fixed to the side of the upper deck, and the upper end of the built-in ladder frame (1) is hinged to the upper deck through the pair of ear plates.
7. The marine inclined ladder as described in claim 6, characterized in that: Another pair of lugs extends from the upper part of the slider, and the lower end of the sleeve ladder (3) is hinged to the slider through the other pair of lugs.